Help Center/ MapReduce Service/ FAQs/ MRS Basics/ Are Hive Components of Different Versions Compatible with Each Other?

Updated on 2024-09-27 GMT+08:00

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Are Hive Components of Different Versions Compatible with Each Other?

Hive 3.1 is incompatible with Hive 1.2 in the following items:

Strings cannot be converted to int in Hive 3.1.
The user-defined functions (UDFs) of the Date type are changed to Hive 3.1 built-in UDFs.
Hive 3.1 does not provide the index function anymore.
The JDBC drivers in Hive 3.1 and Hive 1.2 are incompatible.
In Hive 3.1, column names in ORC files are case-sensitive and underscores-sensitive.
Hive 3.1 does not allow columns named time.

Parent topic: MRS Basics

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